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2. Power to a remote transmitting station is provided by a Diesel-electric generator unit. The original cost of the unit is P65,000. It costs P2,000 to ship the unit to the job site. An additional cost of P3,000 was incurred for installation. (30 points) a. Determine the annual depreciation cost by straight line method, if the unit has an expected life of 10 years. The salvage value of the unit at the end of its life was estimated at P5,000. b. Determine the annual depreciation cost by sinking fund method. Assume that the annual charge for depreciation was deposited in a fund drawing compound money would have to be raised to put up a new plant costing P150,000 if a depreciation reserved have been maintained during its 3 years of operation by: (30 points) a. Straight line method b. Sinking fund method at 6% annual compound interest